681728

Information

• Patent Grant
• 681728

• References
• Source

• Patent Number

  681,728

• Date Filed

  Not available

• Date Issued

  Tuesday, September 3, 1901
  123 years ago

• CPC

  • E04B5/29 - the prefabricated parts of the beams consisting wholly of metal
  • Y10S425/122 - Reinforcing and aggregate

• US Classifications

  • 052 - Static structures
  • 294 - Handling: hand and hoist-line implements
  • 425 - Plastic article or earthenware shaping or treating: apparatus